His Majesty’s Prison Isis is a Category C male Young Offenders Institution, located in the Thamesmead area of the Royal Borough of Greenwich, in south-east London, England.

In August 2009, the construction site of the new prison was evacuated after contractors discovered a suspected World War II bomb.

Isis Prison is located on the site of the former Royal Arsenal, and the suspected bomb was found to be an empty shell casing.

The report also found that the combination of new and transferred staff was causing problems in forming good staff-prisoner relations at the jail.

[6] The visits complex consists of a main room, a supervised children's play area, a refreshment counter and vending machines.